#55D8A8
Closest named color: Emerald (#06D6A0). oklch(79.7% 0.135 165.6), rgb(85, 216, 168).
Aa
Black text reads best on this color (11.77:1).
About this color
#55D8A8 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.135 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.031 away. Black text reads best on it, at 11.77:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.77:1 |
| White text | 1.78:1 |
Values
| HEX | #55D8A8 |
| RGB | rgb(85, 216, 168) |
| HSL | hsl(158, 63%, 59%) |
| OKLCH | oklch(79.7% 0.135 165.6) |
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 #55D8A8 | 1.78:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #55D8A8 | 11.77:1 | AAA | Lc 71.2 | Content text, not long reading |
| #55D8A8 text on white | 1.78:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #55D8A8 text on black | 11.77:1 | AAA | Lc -70.1 | 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
#EBFAF3
oklch(97.2% 0.018 166.4)
-
Step 100
100
#D3F3E4
oklch(93.7% 0.039 165.6)
-
Step 200
200
#AAE9CD
oklch(88.4% 0.075 165.5)
-
Step 300
300 (this color)
#55D8A8
oklch(79.7% 0.135 165.6)
-
Step 400
400
#00BD8A
oklch(70.8% 0.148 165.3)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#55D8A8 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) | #D4CAA5 | 0.134 |
| Deuteranopia (no green cones) | #C1BCAB | 0.130 |
| Tritanopia (no blue cones) | #00D8CB | 0.051 |
| Achromatopsia (no color) | #C2C2C2 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55D8A8
#55D8A8
oklch(79.7% 0.135 165.6)
- #FA98D0
#FA98D0
oklch(79.7% 0.135 345.3)
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 #55D8A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.031
- Medium Aquamarine #66CDAA ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.042
- Aqua Marine #2EE8BB ΔE 0.043
- Aqua Green #12E193 ΔE 0.050
- Turquoise #40E0D0 ΔE 0.052
- Pale Teal #82CBB2 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.060
Use #55D8A8 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.