#52B559
Closest named color: Cool Green (#33B864). oklch(69.2% 0.16 144.9), rgb(82, 181, 89).
Aa
Black text reads best on this color (8.11:1).
About this color
#52B559 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.160 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.019 away. Black text reads best on it, at 8.11:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #52B559 |
| RGB | rgb(82, 181, 89) |
| HSL | hsl(124, 40%, 52%) |
| OKLCH | oklch(69.2% 0.16 144.9) |
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 #52B559 | 2.58:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #52B559 | 8.11:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #52B559 text on white | 2.58:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #52B559 text on black | 8.11:1 | AAA | Lc -51.6 | 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 400.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C3E3C3
oklch(88.4% 0.055 145.1)
-
Step 300
300
#98D299
oklch(80.9% 0.099 145)
-
Step 400
400 (this color)
#52B559
oklch(69.2% 0.16 144.9)
-
Step 500
500
#00A62C
oklch(63% 0.198 145)
-
Step 600
600
#008C23
oklch(55.6% 0.175 144.9)
-
Step 700
700
#00761C
oklch(49.2% 0.155 144.9)
-
Step 800
800
#006115
oklch(42.8% 0.135 144.8)
-
Step 900
900
#005110
oklch(37.8% 0.119 144.9)
-
Step 950
950
#013007
oklch(26.9% 0.084 144.9)
#52B559 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) | #B8A651 | 0.121 |
| Deuteranopia (no green cones) | #AB9D5F | 0.121 |
| Tritanopia (no blue cones) | #41B1A0 | 0.098 |
| Achromatopsia (no color) | #A1A1A1 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52B559
#52B559
oklch(69.2% 0.16 144.9)
- #CC76D2
#CC76D2
oklch(69.2% 0.159 324.7)
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 #52B559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.019
- Dark Pastel Green #56AE57 ΔE 0.020
- Boring Green #63B365 ΔE 0.024
- Leafy Green #51B73B ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.032
- Fern #63A950 ΔE 0.033
- Turtle Green #75B84F ΔE 0.034
- Medium Green #39AD48 ΔE 0.035
Use #52B559 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.