#55AD1F
Closest named color: Leaf Green (#5CA904). oklch(66.7% 0.189 136.9), rgb(85, 173, 31).
Aa
Black text reads best on this color (7.38:1).
About this color
#55AD1F is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.189 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.012 away. Black text reads best on it, at 7.38:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #55AD1F |
| RGB | rgb(85, 173, 31) |
| HSL | hsl(97, 70%, 40%) |
| OKLCH | oklch(66.7% 0.189 136.9) |
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 #55AD1F | 2.84:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #55AD1F | 7.38:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #55AD1F text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #55AD1F text on black | 7.38:1 | AAA | Lc -47.6 | 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 500.
-
Step 50
50
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDD
oklch(93.5% 0.026 136.3)
-
Step 200
200
#CAE2C0
oklch(88.6% 0.052 136.4)
-
Step 300
300
#A5CF94
oklch(80.9% 0.092 136.9)
-
Step 400
400
#72B554
oklch(70.6% 0.148 136.9)
-
Step 500
500 (this color)
#55AD1F
oklch(66.7% 0.189 136.9)
-
Step 600
600
#3C8800
oklch(55.6% 0.168 136.9)
-
Step 700
700
#317200
oklch(49% 0.148 136.9)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#204E00
oklch(37.6% 0.113 136.7)
-
Step 950
950
#112E02
oklch(26.8% 0.078 136.9)
#55AD1F 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) | #A89631 | 0.120 |
| Tritanopia (no blue cones) | #50A693 | 0.134 |
| Achromatopsia (no color) | #999999 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AD1F
#55AD1F
oklch(66.7% 0.189 136.9)
- #C168E0
#C168E0
oklch(66.6% 0.19 316.7)
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 #55AD1F, closest first.
No curated palette has a color within ΔE 0.04 of #55AD1F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.012
- Grass #5CAC2D ΔE 0.012
- Leafy Green #51B73B ΔE 0.029
- Medium Green #39AD48 ΔE 0.031
- Leaf #71AA34 ΔE 0.034
- Mid Green #50A747 ΔE 0.038
- Kelly Green #02AB2E ΔE 0.038
- Shamrock #01B44C ΔE 0.039
Use #55AD1F 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.