#39C590
Closest named color: Greenblue (#23C48B). oklch(73.6% 0.142 163.2), rgb(57, 197, 144).
Aa
Black text reads best on this color (9.56:1).
About this color
#39C590 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.142 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.012 away. Black text reads best on it, at 9.56:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #39C590 |
| RGB | rgb(57, 197, 144) |
| HSL | hsl(157, 55%, 50%) |
| OKLCH | oklch(73.6% 0.142 163.2) |
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 #39C590 | 2.19:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #39C590 | 9.56:1 | AAA | Lc 61.2 | Content text, not long reading |
| #39C590 text on white | 2.19:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #39C590 text on black | 9.56:1 | AAA | Lc -59.4 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E5
oklch(93.7% 0.027 163.2)
-
Step 200
200
#BDE4D0
oklch(88.5% 0.049 163)
-
Step 300
300
#8AD3B0
oklch(80.9% 0.089 162.8)
-
Step 400
400 (this color)
#39C590
oklch(73.6% 0.142 163.2)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#39C590 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) | #C2B78D | 0.138 |
| Deuteranopia (no green cones) | #B0AA93 | 0.133 |
| Tritanopia (no blue cones) | #00C5B7 | 0.055 |
| Achromatopsia (no color) | #AFAFAF | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39C590
#39C590
oklch(73.6% 0.142 163.2)
- #E683C1
#E683C1
oklch(73.6% 0.142 342.9)
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 #39C590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.012
- Green Blue #01C08D ΔE 0.022
- Dark Mint #48C072 ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.041
- Soft Green #6FC276 ΔE 0.042
- Algae Green #21C36F ΔE 0.045
- Emerald #06D6A0 ΔE 0.046
- Seaweed #18D17B ΔE 0.052
Use #39C590 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.