#52B138
Closest named color: Grass (#5CAC2D). oklch(67.8% 0.181 139.7), rgb(82, 177, 56).
Aa
Black text reads best on this color (7.70:1).
About this color
#52B138 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.181 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.70:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #52B138 |
| RGB | rgb(82, 177, 56) |
| HSL | hsl(107, 52%, 46%) |
| OKLCH | oklch(67.8% 0.181 139.7) |
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 #52B138 | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #52B138 | 7.70:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #52B138 text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #52B138 text on black | 7.70:1 | AAA | Lc -49.4 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DFF0DB
oklch(93.7% 0.033 139.7)
-
Step 200
200
#C4E4BC
oklch(88.5% 0.064 139.4)
-
Step 300
300
#9AD38C
oklch(81% 0.113 139.5)
-
Step 400
400 (this color)
#52B138
oklch(67.8% 0.181 139.7)
-
Step 500
500
#35A400
oklch(63.1% 0.201 139.6)
-
Step 600
600
#2B8A00
oklch(55.6% 0.178 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#52B138 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) | #B6A227 | 0.121 |
| Deuteranopia (no green cones) | #AA9A43 | 0.122 |
| Tritanopia (no blue cones) | #48AB99 | 0.124 |
| Achromatopsia (no color) | #9D9D9D | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52B138
#52B138
oklch(67.8% 0.181 139.7)
- #C76DDC
#C76DDC
oklch(67.8% 0.181 319.8)
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 #52B138, closest first.
No curated palette has a color within ΔE 0.04 of #52B138.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Leafy Green #51B73B ΔE 0.017
- Medium Green #39AD48 ΔE 0.026
- Leaf Green #5CA904 ΔE 0.027
- Shamrock #01B44C ΔE 0.031
- Leaf #71AA34 ΔE 0.032
- Dark Pastel Green #56AE57 ΔE 0.034
- Mid Green #50A747 ΔE 0.035
Use #52B138 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.