#55B53B
Closest named color: Leafy Green (#51B73B). oklch(69% 0.183 139.7), rgb(85, 181, 59).
Aa
Black text reads best on this color (8.05:1).
About this color
#55B53B is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.183 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.006 away. Black text reads best on it, at 8.05:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #55B53B |
| RGB | rgb(85, 181, 59) |
| HSL | hsl(107, 51%, 47%) |
| OKLCH | oklch(69% 0.183 139.7) |
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 #55B53B | 2.60:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #55B53B | 8.05:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #55B53B text on white | 2.60:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #55B53B text on black | 8.05:1 | AAA | Lc -51.4 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DFF0DB
oklch(93.7% 0.033 139.7)
-
Step 200
200
#C4E4BC
oklch(88.5% 0.064 139.4)
-
Step 300
300
#99D38B
oklch(80.9% 0.115 139.6)
-
Step 400
400 (this color)
#55B53B
oklch(69% 0.183 139.7)
-
Step 500
500
#35A400
oklch(63.1% 0.201 139.6)
-
Step 600
600
#2B8A00
oklch(55.6% 0.178 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#55B53B 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) | #BAA52A | 0.123 |
| Deuteranopia (no green cones) | #AE9D46 | 0.124 |
| Tritanopia (no blue cones) | #4BAF9C | 0.124 |
| Achromatopsia (no color) | #A0A0A0 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B53B
#55B53B
oklch(69% 0.183 139.7)
- #CB70E1
#CB70E1
oklch(68.9% 0.183 319.6)
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 #55B53B, closest first.
No curated palette has a color within ΔE 0.04 of #55B53B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.006
- Grass #5CAC2D ΔE 0.024
- Frog Green #58BC08 ΔE 0.034
- Medium Green #39AD48 ΔE 0.035
- Shamrock #01B44C ΔE 0.035
- Leaf Green #5CA904 ΔE 0.036
- Leaf #71AA34 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.038
Use #55B53B 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.