#288463
Closest named color: Sea Green (#2E8B57). oklch(55.1% 0.1 165), rgb(40, 132, 99).
Aa
White text reads best on this color (4.59:1).
About this color
#288463 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.100 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.032 away. White text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #288463 |
| RGB | rgb(40, 132, 99) |
| HSL | hsl(158, 53%, 34%) |
| OKLCH | oklch(55.1% 0.1 165) |
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 #288463 | 4.59:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #288463 | 4.57:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #288463 text on white | 4.59:1 | AA | Lc 71.6 | Content text, not long reading |
| #288463 text on black | 4.57:1 | AA | Lc -30.1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A6CAB9
oklch(80.8% 0.045 165)
-
Step 400
400
#75AF95
oklch(70.6% 0.072 164.7)
-
Step 500
500
#4D9B7C
oklch(63.1% 0.091 165.4)
-
Step 600
600 (this color)
#288463
oklch(55.1% 0.1 165)
-
Step 700
700
#1B7153
oklch(49.1% 0.093 164.8)
-
Step 800
800
#1A5C44
oklch(42.7% 0.077 164.9)
-
Step 900
900
#1D4C3A
oklch(37.8% 0.06 165.4)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#288463 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) | #817A61 | 0.099 |
| Deuteranopia (no green cones) | #757265 | 0.095 |
| Tritanopia (no blue cones) | #00847B | 0.037 |
| Achromatopsia (no color) | #757575 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288463
#288463
oklch(55.1% 0.1 165)
- #9B597F
#9B597F
oklch(55.2% 0.1 345.3)
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 #288463, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.032
- Viridian #1E9167 ΔE 0.039
- Dark Sage #598556 ΔE 0.044
- Jungle Green #048243 ΔE 0.048
- Teal #008080 ΔE 0.051
- Bluegreen #017A79 ΔE 0.055
- Dark Cyan #008B8B ΔE 0.057
- Light Forest Green #4F9153 ΔE 0.061
Use #288463 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.