Koopa Green Shell
#58d854
A green that is saturated. It is light — black text sits on it comfortably, white text does not.
Hex
#58d854
RGB
88, 216, 84
OKLCh
78.3% 0.207 142.8°
CIELAB (D50)
77.2, -55.8, 52.4
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 78% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 34.4; on black, Lc -68.2. The sign is the polarity, which the WCAG ratio discards.
- Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
- protanopia and deuteranopia and tritanopia shift it by ΔE00 20.6 and 20.0 and 53.7 — no red cone.
Text on this colour
White text
1.85:1 — fails AA
Black text
11.37:1 — passes AA
Black text is the better of the two at11.37:1. That is enough for body text.
As text on white, it needs to change
#008a07 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved, and some saturation was given up to stay inside sRGB.
The same colour, with one cone missing
As you see it
#58d854
protanopia
#cece53 · ΔE00 20.6
deuteranopia
#bebe5a · ΔE00 20.0
tritanopia
#a9a9ff · ΔE00 53.7
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isScorpion Green at ΔE00 1.376: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Scorpion GreenΔE00 1.376 · #62d84e
- Fresh GreenΔE00 1.932 · #69d84f
- Lightish GreenΔE00 2.25 · #61e160
- BrazilianiteΔE00 2.457 · #31d652
- Verdant FieldsΔE00 2.57 · #5ad33e
- Dasyphyllous GreenΔE00 3.08 · #0bdb43
- Green JuiceΔE00 3.094 · #3bde39
- Hello SpringΔE00 3.14 · #44dd66
- MalachiteΔE00 3.207 · #0bda51
- Green PriestessΔE00 3.329 · #11dd55
- Download ProgressΔE00 3.486 · #58d332
- First of the Month GreenΔE00 3.895 · #24d427
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.