#55CD80
Closest named color: Seaweed (#18D17B). oklch(76.1% 0.155 152.6), rgb(85, 205, 128).
Aa
Black text reads best on this color (10.43:1).
About this color
#55CD80 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.155 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.029 away. Black text reads best on it, at 10.43:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.43:1 |
| White text | 2.01:1 |
Values
| HEX | #55CD80 |
| RGB | rgb(85, 205, 128) |
| HSL | hsl(142, 55%, 57%) |
| OKLCH | oklch(76.1% 0.155 152.6) |
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 #55CD80 | 2.01:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #55CD80 | 10.43:1 | AAA | Lc 65.2 | Content text, not long reading |
| #55CD80 text on white | 2.01:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #55CD80 text on black | 10.43:1 | AAA | Lc -63.6 | 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
#ECFAEF
oklch(97.2% 0.021 152.2)
-
Step 100
100
#D4F3DC
oklch(93.6% 0.045 153.3)
-
Step 200
200
#AEEABE
oklch(88.5% 0.086 152.7)
-
Step 300
300 (this color)
#55CD80
oklch(76.1% 0.155 152.6)
-
Step 400
400
#00C065
oklch(70.8% 0.184 152.6)
-
Step 500
500
#00A456
oklch(63% 0.163 152.8)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#55CD80 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) | #CDBD7B | 0.134 |
| Deuteranopia (no green cones) | #BDB285 | 0.131 |
| Tritanopia (no blue cones) | #2FCABA | 0.082 |
| Achromatopsia (no color) | #B7B7B7 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55CD80
#55CD80
oklch(76.1% 0.155 152.6)
- #EA8ADC
#EA8ADC
oklch(76.1% 0.154 332.5)
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 #55CD80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.029
- Soft Green #6FC276 ΔE 0.032
- Dark Mint #48C072 ΔE 0.040
- Emerald #06D6A0 ΔE 0.042
- Greenblue #23C48B ΔE 0.042
- Algae Green #21C36F ΔE 0.045
- Dark Mint Green #20C073 ΔE 0.050
- Aqua Green #12E193 ΔE 0.054
Use #55CD80 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.