#37D68C
Closest named color: Emerald (#06D6A0). oklch(77.8% 0.167 157.7), rgb(55, 214, 140).
Aa
Black text reads best on this color (11.15:1).
About this color
#37D68C is a medium-light, vivid green. In OKLCH its lightness is 78%, its chroma 0.167 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.026 away. Black text reads best on it, at 11.15:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.15:1 |
| White text | 1.88:1 |
Values
| HEX | #37D68C |
| RGB | rgb(55, 214, 140) |
| HSL | hsl(152, 66%, 53%) |
| OKLCH | oklch(77.8% 0.167 157.7) |
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 #37D68C | 1.88:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #37D68C | 11.15:1 | AAA | Lc 68.7 | Content text, not long reading |
| #37D68C text on white | 1.88:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #37D68C text on black | 11.15:1 | AAA | Lc -67.3 | Content text, not long reading |
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 300.
-
Step 50
50
#EAFAF0
oklch(97.1% 0.021 158.6)
-
Step 100
100
#D0F4DE
oklch(93.5% 0.048 158.5)
-
Step 200
200
#A5ECC2
oklch(88.5% 0.092 157.9)
-
Step 300
300 (this color)
#37D68C
oklch(77.8% 0.167 157.7)
-
Step 400
400
#00BE77
oklch(70.6% 0.165 157.9)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#37D68C 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) | #D4C587 | 0.153 |
| Deuteranopia (no green cones) | #C1B791 | 0.151 |
| Tritanopia (no blue cones) | #00D4C3 | 0.077 |
| Achromatopsia (no color) | #BDBDBD | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37D68C
#37D68C
oklch(77.8% 0.167 157.7)
- #F989DC
#F989DC
oklch(77.7% 0.167 337.6)
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 #37D68C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.026
- Seaweed #18D17B ΔE 0.027
- Aqua Green #12E193 ΔE 0.029
- Weird Green #3AE57F ΔE 0.050
- Greenblue #23C48B ΔE 0.054
- Soft Green #6FC276 ΔE 0.057
- Algae Green #21C36F ΔE 0.060
- Dark Mint #48C072 ΔE 0.060
Use #37D68C 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.