#55D27A
Closest named color: Seaweed (#18D17B). oklch(77.2% 0.167 150.3), rgb(85, 210, 122).
Aa
Black text reads best on this color (10.88:1).
About this color
#55D27A is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.167 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.026 away. Black text reads best on it, at 10.88:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.88:1 |
| White text | 1.92:1 |
Values
| HEX | #55D27A |
| RGB | rgb(85, 210, 122) |
| HSL | hsl(138, 58%, 58%) |
| OKLCH | oklch(77.2% 0.167 150.3) |
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 #55D27A | 1.92:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #55D27A | 10.88:1 | AAA | Lc 67.3 | Content text, not long reading |
| #55D27A text on white | 1.92:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #55D27A text on black | 10.88:1 | AAA | Lc -65.9 | 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
#EBFAEE
oklch(97.1% 0.022 151.7)
-
Step 100
100
#D4F4D9
oklch(93.7% 0.049 149.7)
-
Step 200
200
#ADEBB9
oklch(88.5% 0.093 150.1)
-
Step 300
300 (this color)
#55D27A
oklch(77.2% 0.167 150.3)
-
Step 400
400
#00C05B
oklch(70.6% 0.193 150.4)
-
Step 500
500
#00A54D
oklch(63.1% 0.172 150.4)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#55D27A 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) | #D3C274 | 0.139 |
| Deuteranopia (no green cones) | #C3B680 | 0.138 |
| Tritanopia (no blue cones) | #30CFBC | 0.091 |
| Achromatopsia (no color) | #BBBBBB | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55D27A
#55D27A
oklch(77.2% 0.167 150.3)
- #F08AE7
#F08AE7
oklch(77.3% 0.168 330.3)
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 #55D27A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.026
- Aqua Green #12E193 ΔE 0.043
- Soft Green #6FC276 ΔE 0.046
- Emerald #06D6A0 ΔE 0.047
- Fresh Green #69D84F ΔE 0.051
- Weird Green #3AE57F ΔE 0.052
- Dark Mint #48C072 ΔE 0.053
- Algae Green #21C36F ΔE 0.054
Use #55D27A 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.