#458A5C
Closest named color: Sea Green (#2E8B57). oklch(57.5% 0.1 152.9), rgb(69, 138, 92).
Aa
Black text reads best on this color (5.04:1).
About this color
#458A5C is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.100 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.020 away. Black text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #458A5C |
| RGB | rgb(69, 138, 92) |
| HSL | hsl(140, 33%, 41%) |
| OKLCH | oklch(57.5% 0.1 152.9) |
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 #458A5C | 4.16:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #458A5C | 5.04:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #458A5C text on white | 4.16:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #458A5C text on black | 5.04:1 | AA | Lc -33.2 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#ABCAB3
oklch(81% 0.046 153.2)
-
Step 400
400
#7EAE8B
oklch(70.7% 0.072 152.7)
-
Step 500
500
#5B9A6F
oklch(63.2% 0.092 153.2)
-
Step 600
600 (this color)
#458A5C
oklch(57.5% 0.1 152.9)
-
Step 700
700
#307047
oklch(49.2% 0.093 153.2)
-
Step 800
800
#295B3A
oklch(42.7% 0.077 152.9)
-
Step 900
900
#264B32
oklch(37.7% 0.061 153)
-
Step 950
950
#172C1D
oklch(27% 0.039 152.2)
#458A5C 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) | #8A8059 | 0.088 |
| Deuteranopia (no green cones) | #80795F | 0.086 |
| Tritanopia (no blue cones) | #35887E | 0.052 |
| Achromatopsia (no color) | #7C7C7C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #458A5C
#458A5C
oklch(57.5% 0.1 152.9)
- #9C6292
#9C6292
oklch(57.6% 0.099 333.2)
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 #458A5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.020
- Dark Sage #598556 ΔE 0.022
- Viridian #1E9167 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Fern Green #548D44 ΔE 0.035
- Slate Green #658D6D ΔE 0.045
- Ocean Green #3D9973 ΔE 0.046
- Swamp #698339 ΔE 0.049
Use #458A5C 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.