#128458
Closest named color: Sea Green (#2E8B57). oklch(54.4% 0.117 160.4), rgb(18, 132, 88).
Aa
White text reads best on this color (4.70:1).
About this color
#128458 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.117 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.027 away. White text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #128458 |
| RGB | rgb(18, 132, 88) |
| HSL | hsl(157, 76%, 29%) |
| OKLCH | oklch(54.4% 0.117 160.4) |
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 #128458 | 4.70:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #128458 | 4.46:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #128458 text on white | 4.70:1 | AA | Lc 72.2 | Content text, not long reading |
| #128458 text on black | 4.46:1 | AA large text | Lc -29.5 | Dividers and decoration only |
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
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A4CCB5
oklch(81% 0.053 159.7)
-
Step 400
400
#70B18F
oklch(70.7% 0.084 160.4)
-
Step 500
500
#449D73
oklch(63% 0.107 160.4)
-
Step 600
600 (this color)
#128458
oklch(54.4% 0.117 160.4)
-
Step 700
700
#04734B
oklch(49.1% 0.109 160.4)
-
Step 800
800
#0E5E3E
oklch(42.8% 0.09 160.4)
-
Step 900
900
#174D35
oklch(37.7% 0.07 160.7)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#128458 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) | #827955 | 0.111 |
| Deuteranopia (no green cones) | #75705B | 0.107 |
| Tritanopia (no blue cones) | #008378 | 0.049 |
| Achromatopsia (no color) | #747474 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128458
#128458
oklch(54.4% 0.117 160.4)
- #9C5285
#9C5285
oklch(54.4% 0.118 340.2)
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 #128458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.027
- Jungle Green #048243 ΔE 0.029
- Viridian #1E9167 ΔE 0.042
- Dark Sage #598556 ΔE 0.052
- Light Forest Green #4F9153 ΔE 0.061
- Fern Green #548D44 ΔE 0.061
- Tree Green #2A7E19 ΔE 0.064
- Teal #008080 ΔE 0.066
Use #128458 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.