#55AD23
Closest named color: Grass (#5CAC2D). oklch(66.7% 0.187 137.1), rgb(85, 173, 35).
Aa
Black text reads best on this color (7.38:1).
About this color
#55AD23 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.187 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.010 away. Black text reads best on it, at 7.38:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #55AD23 |
| RGB | rgb(85, 173, 35) |
| HSL | hsl(98, 66%, 41%) |
| OKLCH | oklch(66.7% 0.187 137.1) |
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 #55AD23 | 2.84:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #55AD23 | 7.38:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #55AD23 text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #55AD23 text on black | 7.38:1 | AAA | Lc -47.7 | 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 500.
-
Step 50
50
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E2EEDD
oklch(93.5% 0.026 136.3)
-
Step 200
200
#CAE2C1
oklch(88.6% 0.051 137.1)
-
Step 300
300
#A5CF94
oklch(80.9% 0.092 136.9)
-
Step 400
400
#72B555
oklch(70.6% 0.147 137.1)
-
Step 500
500 (this color)
#55AD23
oklch(66.7% 0.187 137.1)
-
Step 600
600
#3B8800
oklch(55.6% 0.169 137.1)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1F4E00
oklch(37.6% 0.114 137)
-
Step 950
950
#112E03
oklch(26.8% 0.077 137.3)
#55AD23 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) | #B39E00 | 0.118 |
| Deuteranopia (no green cones) | #A89733 | 0.118 |
| Tritanopia (no blue cones) | #4FA794 | 0.132 |
| Achromatopsia (no color) | #999999 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AD23
#55AD23
oklch(66.7% 0.187 137.1)
- #C169DF
#C169DF
oklch(66.7% 0.187 316.9)
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 #55AD23, closest first.
No curated palette has a color within ΔE 0.04 of #55AD23.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.010
- Leaf Green #5CA904 ΔE 0.013
- Leafy Green #51B73B ΔE 0.028
- Medium Green #39AD48 ΔE 0.030
- Leaf #71AA34 ΔE 0.033
- Mid Green #50A747 ΔE 0.036
- Kelly Green #02AB2E ΔE 0.038
- Shamrock #01B44C ΔE 0.039
Use #55AD23 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.