#37B487
Closest named color: Bluey Green (#2BB179). oklch(69% 0.128 164.7), rgb(55, 180, 135).
Aa
Black text reads best on this color (8.04:1).
About this color
#37B487 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.128 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.021 away. Black text reads best on it, at 8.04:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #37B487 |
| RGB | rgb(55, 180, 135) |
| HSL | hsl(158, 53%, 46%) |
| OKLCH | oklch(69% 0.128 164.7) |
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 #37B487 | 2.61:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #37B487 | 8.04:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #37B487 text on white | 2.61:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #37B487 text on black | 8.04:1 | AAA | Lc -51.3 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#BFE3D2
oklch(88.5% 0.044 165.2)
-
Step 300
300
#8FD1B4
oklch(80.8% 0.079 165.3)
-
Step 400
400 (this color)
#37B487
oklch(69% 0.128 164.7)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#37B487 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) | #B0A785 | 0.126 |
| Deuteranopia (no green cones) | #A09B8A | 0.122 |
| Tritanopia (no blue cones) | #00B4A8 | 0.048 |
| Achromatopsia (no color) | #A0A0A0 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37B487
#37B487
oklch(69% 0.128 164.7)
- #D379AE
#D379AE
oklch(69% 0.129 344.8)
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 #37B487, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.021
- Dark Seafoam Green #3EAF76 ΔE 0.023
- Dark Seafoam #1FB57A ΔE 0.023
- Greeny Blue #42B395 ΔE 0.023
- Medium Sea Green #3CB371 ΔE 0.029
- Green Teal #0CB577 ΔE 0.029
- Green Blue #01C08D ΔE 0.033
- Tea #65AB7C ΔE 0.037
Use #37B487 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.