#28B488
Closest named color: Bluey Green (#2BB179). oklch(68.7% 0.132 166.3), rgb(40, 180, 136).
Aa
Black text reads best on this color (7.97:1).
About this color
#28B488 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.132 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.020 away. Black text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.97:1 |
| White text | 2.63:1 |
Values
| HEX | #28B488 |
| RGB | rgb(40, 180, 136) |
| HSL | hsl(161, 64%, 43%) |
| OKLCH | oklch(68.7% 0.132 166.3) |
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 #28B488 | 2.63:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #28B488 | 7.97:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #28B488 text on white | 2.63:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #28B488 text on black | 7.97:1 | AAA | Lc -51.0 | 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
#DCEFE6
oklch(93.6% 0.023 165.8)
-
Step 200
200
#BEE3D2
oklch(88.4% 0.045 165.8)
-
Step 300
300
#8CD2B5
oklch(80.9% 0.082 166.5)
-
Step 400
400 (this color)
#28B488
oklch(68.7% 0.132 166.3)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#28B488 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) | #B0A786 | 0.132 |
| Deuteranopia (no green cones) | #9F9A8B | 0.128 |
| Tritanopia (no blue cones) | #00B5A8 | 0.045 |
| Achromatopsia (no color) | #9F9F9F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B488
#28B488
oklch(68.7% 0.132 166.3)
- #D477AB
#D477AB
oklch(68.7% 0.131 346.5)
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 #28B488, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.020
- Dark Seafoam #1FB57A ΔE 0.021
- Dark Seafoam Green #3EAF76 ΔE 0.024
- Greeny Blue #42B395 ΔE 0.025
- Green Teal #0CB577 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.030
- Green Blue #01C08D ΔE 0.033
- Seaweed Green #35AD6B ΔE 0.037
Use #28B488 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.