#6CCD99
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.5% 0.12 158.4), rgb(108, 205, 153).
Aa
Black text reads best on this color (10.83:1).
About this color
#6CCD99 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.120 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 0.023 away. Black text reads best on it, at 10.83:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.83:1 |
| White text | 1.93:1 |
Values
| HEX | #6CCD99 |
| RGB | rgb(108, 205, 153) |
| HSL | hsl(148, 49%, 61%) |
| OKLCH | oklch(77.5% 0.12 158.4) |
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 #6CCD99 | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #6CCD99 | 10.83:1 | AAA | Lc 66.9 | Content text, not long reading |
| #6CCD99 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #6CCD99 text on black | 10.83:1 | AAA | Lc -65.4 | 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 300.
-
Step 50
50
#EDF9F1
oklch(97.1% 0.016 156.9)
-
Step 100
100
#D8F1E1
oklch(93.5% 0.034 157.6)
-
Step 200
200
#B5E7C9
oklch(88.5% 0.066 158.4)
-
Step 300
300 (this color)
#6CCD99
oklch(77.5% 0.12 158.4)
-
Step 400
400
#00BE79
oklch(70.6% 0.164 158.6)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007347
oklch(48.9% 0.114 158.4)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#6CCD99 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) | #CBC096 | 0.112 |
| Deuteranopia (no green cones) | #BDB69C | 0.109 |
| Tritanopia (no blue cones) | #52CCBF | 0.055 |
| Achromatopsia (no color) | #BABABA | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CCD99
#6CCD99
oklch(77.5% 0.12 158.4)
- #E897D0
#E897D0
oklch(77.5% 0.121 338.4)
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 #6CCD99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.023
- Seafoam Blue #78D1B6 ΔE 0.042
- Emerald #06D6A0 ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.045
- Soft Green #6FC276 ΔE 0.046
- Dark Sea Green #8FBC8F ΔE 0.052
- Greenblue #23C48B ΔE 0.057
- Light Moss Green #A6C875 ΔE 0.065
Use #6CCD99 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.