#55B03D
Closest named color: Grass (#5CAC2D). oklch(67.7% 0.175 139.7), rgb(85, 176, 61).
Aa
Black text reads best on this color (7.66:1).
About this color
#55B03D is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.175 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.013 away. Black text reads best on it, at 7.66:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.66:1 |
| White text | 2.74:1 |
Values
| HEX | #55B03D |
| RGB | rgb(85, 176, 61) |
| HSL | hsl(107, 49%, 46%) |
| OKLCH | oklch(67.7% 0.175 139.7) |
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 #55B03D | 2.74:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #55B03D | 7.66:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #55B03D text on white | 2.74:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #55B03D text on black | 7.66:1 | AAA | Lc -49.2 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#DFEFDB
oklch(93.5% 0.032 139.4)
-
Step 200
200
#C5E4BD
oklch(88.6% 0.062 139.3)
-
Step 300
300
#9BD28E
oklch(80.9% 0.109 139.7)
-
Step 400
400 (this color)
#55B03D
oklch(67.7% 0.175 139.7)
-
Step 500
500
#34A400
oklch(63% 0.202 139.7)
-
Step 600
600
#2B8A00
oklch(55.6% 0.178 139.6)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
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)
#55B03D 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) | #B5A12E | 0.118 |
| Deuteranopia (no green cones) | #A99947 | 0.119 |
| Tritanopia (no blue cones) | #4CAA98 | 0.119 |
| Achromatopsia (no color) | #9C9C9C | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55B03D
#55B03D
oklch(67.7% 0.175 139.7)
- #C56FDA
#C56FDA
oklch(67.8% 0.175 319.5)
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 #55B03D, closest first.
No curated palette has a color within ΔE 0.04 of #55B03D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.013
- Leafy Green #51B73B ΔE 0.021
- Medium Green #39AD48 ΔE 0.024
- Leaf #71AA34 ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.028
- Leaf Green #5CA904 ΔE 0.029
- Mid Green #50A747 ΔE 0.031
- Shamrock #01B44C ΔE 0.033
Use #55B03D 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.