#37BF22
Closest named color: Frog Green (#58BC08). oklch(70.5% 0.22 141.4), rgb(55, 191, 34).
Aa
Black text reads best on this color (8.63:1).
About this color
#37BF22 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.220 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.020 away. Black text reads best on it, at 8.63:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.220) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 8.63:1 |
| White text | 2.43:1 |
Values
| HEX | #37BF22 |
| RGB | rgb(55, 191, 34) |
| HSL | hsl(112, 70%, 44%) |
| OKLCH | oklch(70.5% 0.22 141.4) |
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 #37BF22 | 2.43:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #37BF22 | 8.63:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #37BF22 text on white | 2.43:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #37BF22 text on black | 8.63:1 | AAA | Lc -54.7 | 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
#EFF9ED
oklch(97.1% 0.019 140.5)
-
Step 100
100
#DCF1D8
oklch(93.6% 0.04 140.7)
-
Step 200
200
#BEE6B8
oklch(88.4% 0.075 141.4)
-
Step 300
300
#8CD782
oklch(80.9% 0.138 141.5)
-
Step 400
400 (this color)
#37BF22
oklch(70.5% 0.22 141.4)
-
Step 500
500
#20A600
oklch(63.1% 0.209 141.4)
-
Step 600
600
#198C00
oklch(55.7% 0.185 141.4)
-
Step 700
700
#137500
oklch(49% 0.163 141.4)
-
Step 800
800
#0E6000
oklch(42.6% 0.141 141.4)
-
Step 900
900
#0A5000
oklch(37.6% 0.125 141.4)
-
Step 950
950
#043000
oklch(26.9% 0.089 141.3)
#37BF22 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) | #C4AD00 | 0.152 |
| Deuteranopia (no green cones) | #B4A236 | 0.151 |
| Tritanopia (no blue cones) | #10B9A3 | 0.145 |
| Achromatopsia (no color) | #A6A6A6 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37BF22
#37BF22
oklch(70.5% 0.22 141.4)
- #DC67F0
#DC67F0
oklch(70.6% 0.219 321.6)
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 #37BF22, closest first.
No curated palette has a color within ΔE 0.04 of #37BF22.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.020
- Shamrock Green #02C14D ΔE 0.028
- Leafy Green #51B73B ΔE 0.035
- Lime Green #32CD32 ΔE 0.038
- Shamrock #01B44C ΔE 0.051
- Dark Lime Green #7EBD01 ΔE 0.054
- Grass #5CAC2D ΔE 0.059
- Apple #6ECB3C ΔE 0.059
Use #37BF22 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.