#028D4B
Closest named color: Sea Green (#2E8B57). oklch(56.4% 0.144 153.3), rgb(2, 141, 75).
Aa
Black text reads best on this color (4.91:1).
About this color
#028D4B is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.144 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.026 away. Black text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #028D4B |
| RGB | rgb(2, 141, 75) |
| HSL | hsl(152, 97%, 28%) |
| OKLCH | oklch(56.4% 0.144 153.3) |
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 #028D4B | 4.27:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #028D4B | 4.91:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #028D4B text on white | 4.27:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #028D4B text on black | 4.91:1 | AA | Lc -32.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CE
oklch(88.4% 0.035 153.2)
-
Step 300
300
#A1CDAD
oklch(80.8% 0.065 153.2)
-
Step 400
400
#6BB482
oklch(70.8% 0.104 153.1)
-
Step 500
500
#3BA062
oklch(63.1% 0.132 153.2)
-
Step 600
600 (this color)
#028D4B
oklch(56.4% 0.144 153.3)
-
Step 700
700
#00743D
oklch(49% 0.125 153.5)
-
Step 800
800
#005F31
oklch(42.6% 0.108 153.6)
-
Step 900
900
#104E2B
oklch(37.6% 0.086 153.6)
-
Step 950
950
#0D2E19
oklch(27% 0.055 152.8)
#028D4B 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) | #8D8046 | 0.124 |
| Deuteranopia (no green cones) | #7F7650 | 0.123 |
| Tritanopia (no blue cones) | #008B7D | 0.075 |
| Achromatopsia (no color) | #7A7A7A | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028D4B
#028D4B
oklch(56.4% 0.144 153.3)
- #A65199
#A65199
oklch(56.5% 0.144 333.4)
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 #028D4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.026
- Kelley Green #009337 ΔE 0.033
- Jungle Green #048243 ΔE 0.033
- Forest Green #228B22 ΔE 0.038
- Viridian #1E9167 ΔE 0.039
- Fern Green #548D44 ΔE 0.045
- Emerald Green #028F1E ΔE 0.045
- Light Forest Green #4F9153 ΔE 0.047
Use #028D4B 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.