#128554
Closest named color: Jungle Green (#048243). oklch(54.5% 0.122 158.1), rgb(18, 133, 84).
Aa
White text reads best on this color (4.65:1).
About this color
#128554 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.122 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.023 away. White text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.50:1 |
| White text | 4.65:1 |
Values
| HEX | #128554 |
| RGB | rgb(18, 133, 84) |
| HSL | hsl(154, 76%, 30%) |
| OKLCH | oklch(54.5% 0.122 158.1) |
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 #128554 | 4.65:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #128554 | 4.50:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #128554 text on white | 4.65:1 | AA | Lc 71.9 | Content text, not long reading |
| #128554 text on black | 4.50:1 | AA | Lc -29.8 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A4CCB3
oklch(80.9% 0.055 157.5)
-
Step 400
400
#6FB28C
oklch(70.8% 0.089 158.2)
-
Step 500
500
#439E6F
oklch(63.1% 0.113 158.1)
-
Step 600
600 (this color)
#128554
oklch(54.5% 0.122 158.1)
-
Step 700
700
#037347
oklch(49% 0.113 158.2)
-
Step 800
800
#0D5E3B
oklch(42.7% 0.094 158.4)
-
Step 900
900
#174D32
oklch(37.7% 0.073 157.9)
-
Step 950
950
#0F2D1E
oklch(26.9% 0.046 159.2)
#128554 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) | #847A51 | 0.113 |
| Deuteranopia (no green cones) | #777157 | 0.109 |
| Tritanopia (no blue cones) | #008478 | 0.055 |
| Achromatopsia (no color) | #747474 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128554
#128554
oklch(54.5% 0.122 158.1)
- #9D5189
#9D5189
oklch(54.6% 0.123 338)
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 #128554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.024
- Viridian #1E9167 ΔE 0.041
- Dark Sage #598556 ΔE 0.053
- Fern Green #548D44 ΔE 0.057
- Tree Green #2A7E19 ΔE 0.058
- Light Forest Green #4F9153 ΔE 0.058
- Forest Green #228B22 ΔE 0.061
Use #128554 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.