#028657
Closest named color: Sea Green (#2E8B57). oklch(54.7% 0.123 159.9), rgb(2, 134, 87).
Aa
White text reads best on this color (4.61:1).
About this color
#028657 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.123 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.024 away. White text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #028657 |
| RGB | rgb(2, 134, 87) |
| HSL | hsl(159, 97%, 27%) |
| OKLCH | oklch(54.7% 0.123 159.9) |
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 #028657 | 4.61:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #028657 | 4.55:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #028657 text on white | 4.61:1 | AA | Lc 71.5 | Content text, not long reading |
| #028657 text on black | 4.55:1 | AA | Lc -30.2 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A2CCB4
oklch(80.8% 0.056 159.8)
-
Step 400
400
#6DB28D
oklch(70.7% 0.089 159.5)
-
Step 500
500
#3F9E71
oklch(63% 0.113 159.8)
-
Step 600
600 (this color)
#028657
oklch(54.7% 0.123 159.9)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#045E3C
oklch(42.6% 0.095 159.9)
-
Step 900
900
#144D34
oklch(37.6% 0.073 160.4)
-
Step 950
950
#0E2D1E
oklch(26.9% 0.047 159.7)
#028657 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) | #847B54 | 0.115 |
| Deuteranopia (no green cones) | #77715A | 0.113 |
| Tritanopia (no blue cones) | #00857A | 0.054 |
| Achromatopsia (no color) | #757575 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028657
#028657
oklch(54.7% 0.123 159.9)
- #9F5187
#9F5187
oklch(54.7% 0.123 340.2)
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 #028657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.024
- Jungle Green #048243 ΔE 0.026
- Viridian #1E9167 ΔE 0.038
- Dark Sage #598556 ΔE 0.054
- Light Forest Green #4F9153 ΔE 0.059
- Fern Green #548D44 ΔE 0.059
- Tree Green #2A7E19 ΔE 0.062
- Forest Green #228B22 ΔE 0.063
Use #028657 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.