#6CD39B
Closest named color: Medium Aquamarine (#66CDAA). oklch(79% 0.127 157.9), rgb(108, 211, 155).
Aa
Black text reads best on this color (11.42:1).
About this color
#6CD39B is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.127 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.031 away. Black text reads best on it, at 11.42:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.42:1 |
| White text | 1.83:1 |
Values
| HEX | #6CD39B |
| RGB | rgb(108, 211, 155) |
| HSL | hsl(147, 54%, 63%) |
| OKLCH | oklch(79% 0.127 157.9) |
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 #6CD39B | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #6CD39B | 11.42:1 | AAA | Lc 69.6 | Content text, not long reading |
| #6CD39B text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #6CD39B text on black | 11.42:1 | AAA | Lc -68.3 | 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 300.
-
Step 50
50
#EDF9F1
oklch(97.1% 0.016 156.9)
-
Step 100
100
#D7F2E1
oklch(93.7% 0.036 158)
-
Step 200
200
#B3E8C8
oklch(88.6% 0.07 158.1)
-
Step 300
300 (this color)
#6CD39B
oklch(79% 0.127 157.9)
-
Step 400
400
#00BE77
oklch(70.6% 0.165 157.9)
-
Step 500
500
#00A366
oklch(63% 0.147 158.1)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#6CD39B 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) | #D2C698 | 0.118 |
| Deuteranopia (no green cones) | #C2BB9E | 0.113 |
| Tritanopia (no blue cones) | #50D2C4 | 0.058 |
| Achromatopsia (no color) | #BFBFBF | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CD39B
#6CD39B
oklch(79% 0.127 157.9)
- #EF9AD7
#EF9AD7
oklch(79% 0.127 337.9)
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 #6CD39B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.031
- Emerald #06D6A0 ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.050
- Soft Green #6FC276 ΔE 0.056
- Aqua Green #12E193 ΔE 0.057
- Aqua Marine #2EE8BB ΔE 0.061
- Dark Sea Green #8FBC8F ΔE 0.065
Use #6CD39B 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.