#289558
Closest named color: Viridian (#1E9167). oklch(59.4% 0.134 153.9), rgb(40, 149, 88).
Aa
Black text reads best on this color (5.53:1).
About this color
#289558 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.134 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.027 away. Black text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #289558 |
| RGB | rgb(40, 149, 88) |
| HSL | hsl(146, 58%, 37%) |
| OKLCH | oklch(59.4% 0.134 153.9) |
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 #289558 | 3.79:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #289558 | 5.53:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #289558 text on white | 3.79:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #289558 text on black | 5.53:1 | AA | Lc -36.6 | 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 500.
-
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
#C8E1CE
oklch(88.6% 0.037 152.8)
-
Step 300
300
#A0CEAD
oklch(81% 0.067 153.5)
-
Step 400
400
#69B482
oklch(70.7% 0.105 153.7)
-
Step 500
500 (this color)
#289558
oklch(59.4% 0.134 153.9)
-
Step 600
600
#008A4B
oklch(55.6% 0.14 154)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#0D4F2B
oklch(37.8% 0.088 153.8)
-
Step 950
950
#0C2E19
oklch(27% 0.056 153.2)
#289558 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) | #958954 | 0.117 |
| Deuteranopia (no green cones) | #877F5C | 0.115 |
| Tritanopia (no blue cones) | #009386 | 0.068 |
| Achromatopsia (no color) | #838383 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289558
#289558
oklch(59.4% 0.134 153.9)
- #AD5D9F
#AD5D9F
oklch(59.4% 0.134 334)
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 #289558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.030
- Fern Green #548D44 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.041
- Kelley Green #009337 ΔE 0.042
- Irish Green #019529 ΔE 0.054
- Moss Green #658B38 ΔE 0.055
Use #289558 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.