#6DC637
Closest named color: Apple (#6ECB3C). oklch(74.3% 0.195 136.2), rgb(109, 198, 55).
Aa
Black text reads best on this color (9.78:1).
About this color
#6DC637 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.195 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.014 away. Black text reads best on it, at 9.78:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #6DC637 |
| RGB | rgb(109, 198, 55) |
| HSL | hsl(97, 57%, 50%) |
| OKLCH | oklch(74.3% 0.195 136.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6DC637 | 2.14:1 | Fails | Lc -46.5 | Large or bold text, headings |
| Black text on #6DC637 | 9.78:1 | AAA | Lc 62.1 | Content text, not long reading |
| #6DC637 text on white | 2.14:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #6DC637 text on black | 9.78:1 | AAA | Lc -60.4 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F1F8ED
oklch(97.1% 0.016 133.8)
-
Step 100
100
#E0F0D9
oklch(93.7% 0.035 136)
-
Step 200
200
#C5E4B8
oklch(88.5% 0.068 136.5)
-
Step 300
300
#9CD383
oklch(80.9% 0.122 136.3)
-
Step 400
400 (this color)
#6DC637
oklch(74.3% 0.195 136.2)
-
Step 500
500
#4DA100
oklch(63.1% 0.188 136.1)
-
Step 600
600
#3F8700
oklch(55.5% 0.166 136.2)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#112F00
oklch(27.1% 0.081 136.5)
#6DC637 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #CDB61D | 0.120 |
| Deuteranopia (no green cones) | #C1AE45 | 0.122 |
| Tritanopia (no blue cones) | #69BFAA | 0.139 |
| Achromatopsia (no color) | #B1B1B1 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DC637
#6DC637
oklch(74.3% 0.195 136.2)
- #DB7FFD
#DB7FFD
oklch(74.3% 0.195 316.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6DC637, closest first.
No curated palette has a color within ΔE 0.04 of #6DC637.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.014
- Apple Green #76CD26 ΔE 0.025
- Dark Lime Green #7EBD01 ΔE 0.027
- Frog Green #58BC08 ΔE 0.040
- Lime Green #32CD32 ΔE 0.042
- Dark Lime #84B701 ΔE 0.042
- Fresh Green #69D84F ΔE 0.048
- Turtle Green #75B84F ΔE 0.049
Use #6DC637 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.