#5AB51B
Closest named color: Leafy Green (#51B73B). oklch(69% 0.198 136.5), rgb(90, 181, 27).
Aa
Black text reads best on this color (8.06:1).
About this color
#5AB51B is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.198 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.017 away. Black text reads best on it, at 8.06:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #5AB51B |
| RGB | rgb(90, 181, 27) |
| HSL | hsl(95, 74%, 41%) |
| OKLCH | oklch(69% 0.198 136.5) |
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 #5AB51B | 2.60:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #5AB51B | 8.06:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #5AB51B text on white | 2.60:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #5AB51B text on black | 8.06:1 | 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
#F0F8ED
oklch(97% 0.017 137)
-
Step 100
100
#DFF0D8
oklch(93.6% 0.037 136.4)
-
Step 200
200
#C5E4B8
oklch(88.5% 0.068 136.5)
-
Step 300
300
#9BD382
oklch(80.9% 0.124 136.5)
-
Step 400
400 (this color)
#5AB51B
oklch(69% 0.198 136.5)
-
Step 500
500
#4BA100
oklch(63% 0.189 136.5)
-
Step 600
600
#3E8800
oklch(55.7% 0.167 136.5)
-
Step 700
700
#337200
oklch(49.1% 0.147 136.5)
-
Step 800
800
#295E00
oklch(42.8% 0.128 136.5)
-
Step 900
900
#214E00
oklch(37.7% 0.113 136.4)
-
Step 950
950
#112F00
oklch(27.1% 0.081 136.5)
#5AB51B 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) | #BBA500 | 0.122 |
| Deuteranopia (no green cones) | #B09E30 | 0.122 |
| Tritanopia (no blue cones) | #55AE9A | 0.141 |
| Achromatopsia (no color) | #A0A0A0 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AB51B
#5AB51B
oklch(69% 0.198 136.5)
- #CA6DEB
#CA6DEB
oklch(68.9% 0.197 316.5)
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 #5AB51B, closest first.
No curated palette has a color within ΔE 0.04 of #5AB51B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.017
- Frog Green #58BC08 ΔE 0.022
- Grass #5CAC2D ΔE 0.029
- Leaf Green #5CA904 ΔE 0.033
- Dark Lime #84B701 ΔE 0.043
- Leaf #71AA34 ΔE 0.043
- Shamrock Green #02C14D ΔE 0.044
- Dark Lime Green #7EBD01 ΔE 0.045
Use #5AB51B 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.