#258758
Closest named color: Sea Green (#2E8B57). oklch(55.5% 0.116 157.7), rgb(37, 135, 88).
Aa
Black text reads best on this color (4.68:1).
About this color
#258758 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.116 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.015 away. Black text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #258758 |
| RGB | rgb(37, 135, 88) |
| HSL | hsl(151, 57%, 34%) |
| OKLCH | oklch(55.5% 0.116 157.7) |
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 #258758 | 4.48:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #258758 | 4.68:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #258758 text on white | 4.48:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #258758 text on black | 4.68:1 | AA | Lc -30.9 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A5CBB4
oklch(80.8% 0.052 158.4)
-
Step 400
400
#73B18D
oklch(70.8% 0.083 157.9)
-
Step 500
500
#4A9D70
oklch(63.2% 0.107 157.6)
-
Step 600
600 (this color)
#258758
oklch(55.5% 0.116 157.7)
-
Step 700
700
#157248
oklch(49% 0.107 157.9)
-
Step 800
800
#175D3B
oklch(42.6% 0.089 157.5)
-
Step 900
900
#1B4D33
oklch(37.8% 0.07 157.6)
-
Step 950
950
#112D1E
oklch(27% 0.044 158)
#258758 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) | #867C55 | 0.107 |
| Deuteranopia (no green cones) | #7A735B | 0.105 |
| Tritanopia (no blue cones) | #00867B | 0.053 |
| Achromatopsia (no color) | #777777 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258758
#258758
oklch(55.5% 0.116 157.7)
- #9E568B
#9E568B
oklch(55.5% 0.117 337.8)
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 #258758, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.015
- Viridian #1E9167 ΔE 0.031
- Jungle Green #048243 ΔE 0.033
- Dark Sage #598556 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.048
- Fern Green #548D44 ΔE 0.049
- Military Green #667C3E ΔE 0.062
- Kelley Green #009337 ΔE 0.063
Use #258758 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.