#5BB542
Closest named color: Leafy Green (#51B73B). oklch(69.3% 0.175 139.5), rgb(91, 181, 66).
Aa
Black text reads best on this color (8.13:1).
About this color
#5BB542 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.175 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.013 away. Black text reads best on it, at 8.13:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.13:1 |
| White text | 2.58:1 |
Values
| HEX | #5BB542 |
| RGB | rgb(91, 181, 66) |
| HSL | hsl(107, 47%, 48%) |
| OKLCH | oklch(69.3% 0.175 139.5) |
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 #5BB542 | 2.58:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #5BB542 | 8.13:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #5BB542 text on white | 2.58:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #5BB542 text on black | 8.13:1 | AAA | Lc -51.7 | 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 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)
#5BB542
oklch(69.3% 0.175 139.5)
-
Step 500
500
#36A400
oklch(63.1% 0.201 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#247400
oklch(49.1% 0.156 139.5)
-
Step 800
800
#1C5F00
oklch(42.6% 0.136 139.5)
-
Step 900
900
#164F00
oklch(37.6% 0.119 139.4)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#5BB542 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) | #BAA634 | 0.117 |
| Deuteranopia (no green cones) | #AE9E4C | 0.118 |
| Tritanopia (no blue cones) | #53AF9D | 0.119 |
| Achromatopsia (no color) | #A1A1A1 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB542
#5BB542
oklch(69.3% 0.175 139.5)
- #CA74DF
#CA74DF
oklch(69.3% 0.174 319.5)
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 #5BB542, closest first.
No curated palette has a color within ΔE 0.04 of #5BB542.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.013
- Grass #5CAC2D ΔE 0.026
- Turtle Green #75B84F ΔE 0.032
- Leaf #71AA34 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.033
- Cool Green #33B864 ΔE 0.036
- Medium Green #39AD48 ΔE 0.037
- Shamrock #01B44C ΔE 0.039
Use #5BB542 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.