#55A900
Closest named color: Leaf Green (#5CA904). oklch(65.6% 0.193 135.5), rgb(85, 169, 0).
Aa
Black text reads best on this color (7.06:1).
About this color
#55A900 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.193 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.007 away. Black text reads best on it, at 7.06:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #55A900 |
| RGB | rgb(85, 169, 0) |
| HSL | hsl(90, 100%, 33%) |
| OKLCH | oklch(65.6% 0.193 135.5) |
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 #55A900 | 2.97:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #55A900 | 7.06:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #55A900 text on white | 2.97:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #55A900 text on black | 7.06:1 | AAA | Lc -45.9 | 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
#E2EEDC
oklch(93.5% 0.027 135)
-
Step 200
200
#CAE2BF
oklch(88.6% 0.054 135.8)
-
Step 300
300
#A6CF91
oklch(80.9% 0.095 135.3)
-
Step 400
400
#74B54F
oklch(70.7% 0.151 135.6)
-
Step 500
500 (this color)
#55A900
oklch(65.6% 0.193 135.5)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#55A900 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) | #B09A00 | 0.119 |
| Deuteranopia (no green cones) | #A59322 | 0.117 |
| Tritanopia (no blue cones) | #52A28F | 0.140 |
| Achromatopsia (no color) | #969696 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A900
#55A900
oklch(65.6% 0.193 135.5)
- #BD64DF
#BD64DF
oklch(65.5% 0.193 315.8)
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 #55A900, closest first.
No curated palette has a color within ΔE 0.04 of #55A900.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.007
- Grass #5CAC2D ΔE 0.020
- Kelly Green #02AB2E ΔE 0.036
- Medium Green #39AD48 ΔE 0.037
- Leaf #71AA34 ΔE 0.040
- Mid Green #50A747 ΔE 0.041
- Leafy Green #51B73B ΔE 0.042
- Grassy Green #419C03 ΔE 0.044
Use #55A900 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.