#55B261
Closest named color: Dark Pastel Green (#56AE57). oklch(68.7% 0.146 146.4), rgb(85, 178, 97).
Aa
Black text reads best on this color (7.92:1).
About this color
#55B261 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.146 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.014 away. Black text reads best on it, at 7.92:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.92:1 |
| White text | 2.64:1 |
Values
| HEX | #55B261 |
| RGB | rgb(85, 178, 97) |
| HSL | hsl(128, 38%, 52%) |
| OKLCH | oklch(68.7% 0.146 146.4) |
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 #55B261 | 2.64:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #55B261 | 7.92:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #55B261 text on white | 2.64:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #55B261 text on black | 7.92:1 | AAA | Lc -50.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C6
oklch(88.5% 0.051 146.9)
-
Step 300
300
#9AD19E
oklch(80.9% 0.091 146.5)
-
Step 400
400 (this color)
#55B261
oklch(68.7% 0.146 146.4)
-
Step 500
500
#0EA53A
oklch(63% 0.186 146.4)
-
Step 600
600
#008C2D
oklch(55.7% 0.169 146.3)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#03300C
oklch(27.1% 0.078 146.3)
#55B261 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) | #B4A45B | 0.115 |
| Deuteranopia (no green cones) | #A89C66 | 0.113 |
| Tritanopia (no blue cones) | #44AE9F | 0.088 |
| Achromatopsia (no color) | #9F9F9F | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B261
#55B261
oklch(68.7% 0.146 146.4)
- #C978CA
#C978CA
oklch(68.8% 0.146 326.6)
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 #55B261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.014
- Boring Green #63B365 ΔE 0.014
- Algae #54AC68 ΔE 0.022
- Medium Sea Green #3CB371 ΔE 0.022
- Cool Green #33B864 ΔE 0.024
- Fern #63A950 ΔE 0.027
- Jade Green #2BAF6A ΔE 0.029
- Seaweed Green #35AD6B ΔE 0.030
Use #55B261 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.