#458B51
Closest named color: Sea Green (#2E8B57). oklch(57.6% 0.113 147.7), rgb(69, 139, 81).
Aa
Black text reads best on this color (5.06:1).
About this color
#458B51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.113 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.017 away. Black text reads best on it, at 5.06:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #458B51 |
| RGB | rgb(69, 139, 81) |
| HSL | hsl(130, 34%, 41%) |
| OKLCH | oklch(57.6% 0.113 147.7) |
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 #458B51 | 4.14:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #458B51 | 5.06:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #458B51 text on white | 4.14:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #458B51 text on black | 5.06:1 | AA | Lc -33.3 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAE
oklch(80.8% 0.051 147.8)
-
Step 400
400
#7EAF84
oklch(70.7% 0.081 147.8)
-
Step 500
500
#5B9B65
oklch(63.2% 0.104 147.9)
-
Step 600
600 (this color)
#458B51
oklch(57.6% 0.113 147.7)
-
Step 700
700
#30713C
oklch(49.2% 0.106 147.6)
-
Step 800
800
#295C32
oklch(42.8% 0.088 147.7)
-
Step 900
900
#264B2C
oklch(37.6% 0.068 147.8)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#458B51 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) | #8C814D | 0.090 |
| Deuteranopia (no green cones) | #837A55 | 0.090 |
| Tritanopia (no blue cones) | #38887D | 0.067 |
| Achromatopsia (no color) | #7C7C7C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #458B51
#458B51
oklch(57.6% 0.113 147.7)
- #9C5F9B
#9C5F9B
oklch(57.5% 0.114 327.5)
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 #458B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.021
- Fern Green #548D44 ΔE 0.022
- Dark Sage #598556 ΔE 0.029
- Viridian #1E9167 ΔE 0.032
- Moss Green #658B38 ΔE 0.039
- Swamp #698339 ΔE 0.043
- Mossy Green #638B27 ΔE 0.047
Use #458B51 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.