#37D699
Closest named color: Emerald (#06D6A0). oklch(78.1% 0.156 162.2), rgb(55, 214, 153).
Aa
Black text reads best on this color (11.24:1).
About this color
#37D699 is a light, vivid green. In OKLCH its lightness is 78%, its chroma 0.156 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.013 away. Black text reads best on it, at 11.24:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.24:1 |
| White text | 1.86:1 |
Values
| HEX | #37D699 |
| RGB | rgb(55, 214, 153) |
| HSL | hsl(157, 66%, 53%) |
| OKLCH | oklch(78.1% 0.156 162.2) |
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 #37D699 | 1.86:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #37D699 | 11.24:1 | AAA | Lc 69.0 | Content text, not long reading |
| #37D699 text on white | 1.86:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #37D699 text on black | 11.24:1 | AAA | Lc -67.7 | 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
#EAFAF1
oklch(97.1% 0.021 161.5)
-
Step 100
100
#D0F4E1
oklch(93.6% 0.045 162.4)
-
Step 200
200
#A4ECC8
oklch(88.6% 0.088 162.2)
-
Step 300
300 (this color)
#37D699
oklch(78.1% 0.156 162.2)
-
Step 400
400
#00BD83
oklch(70.6% 0.154 162.4)
-
Step 500
500
#00A270
oklch(63% 0.137 162.6)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734E
oklch(49.1% 0.107 162.4)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#37D699 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) | #D3C695 | 0.151 |
| Deuteranopia (no green cones) | #BFB89D | 0.146 |
| Tritanopia (no blue cones) | #00D6C6 | 0.062 |
| Achromatopsia (no color) | #BEBEBE | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37D699
#37D699
oklch(78.1% 0.156 162.2)
- #FA8DD3
#FA8DD3
oklch(78.1% 0.155 342.2)
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 #37D699, closest first.
No curated palette has a color within ΔE 0.04 of #37D699.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.013
- Aqua Green #12E193 ΔE 0.035
- Seaweed #18D17B ΔE 0.041
- Medium Aquamarine #66CDAA ΔE 0.049
- Greenblue #23C48B ΔE 0.053
- Aqua Marine #2EE8BB ΔE 0.057
- Soft Green #6FC276 ΔE 0.061
- Weird Green #3AE57F ΔE 0.061
Use #37D699 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.