#77CE99
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.2% 0.114 155.9), rgb(119, 206, 153).
Aa
Black text reads best on this color (11.07:1).
About this color
#77CE99 is a light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.114 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.026 away. Black text reads best on it, at 11.07:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #77CE99 |
| RGB | rgb(119, 206, 153) |
| HSL | hsl(143, 47%, 64%) |
| OKLCH | oklch(78.2% 0.114 155.9) |
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 #77CE99 | 1.89:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #77CE99 | 11.07:1 | AAA | Lc 68.0 | Content text, not long reading |
| #77CE99 text on white | 1.89:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #77CE99 text on black | 11.07:1 | AAA | Lc -66.6 | 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
#EEF9F1
oklch(97.2% 0.016 154.5)
-
Step 100
100
#D9F1E1
oklch(93.6% 0.033 156.5)
-
Step 200
200
#B8E6C8
oklch(88.4% 0.063 156.3)
-
Step 300
300 (this color)
#77CE99
oklch(78.2% 0.114 155.9)
-
Step 400
400
#00BF71
oklch(70.7% 0.172 155.9)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#77CE99 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) | #CDC296 | 0.104 |
| Deuteranopia (no green cones) | #C0B89C | 0.102 |
| Tritanopia (no blue cones) | #64CCC0 | 0.056 |
| Achromatopsia (no color) | #BCBCBC | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77CE99
#77CE99
oklch(78.2% 0.114 155.9)
- #E69CD4
#E69CD4
oklch(78.3% 0.113 335.9)
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 #77CE99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.026
- Seafoam Blue #78D1B6 ΔE 0.038
- Pale Teal #82CBB2 ΔE 0.041
- Soft Green #6FC276 ΔE 0.050
- Dark Sea Green #8FBC8F ΔE 0.050
- Emerald #06D6A0 ΔE 0.052
- Light Moss Green #A6C875 ΔE 0.058
- Tiffany Blue #94D2BD ΔE 0.061
Use #77CE99 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.