#559121
Closest named color: Sap Green (#5C8B15). oklch(59.4% 0.154 134.1), rgb(85, 145, 33).
Aa
Black text reads best on this color (5.45:1).
About this color
#559121 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.154 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.017 away. Black text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #559121 |
| RGB | rgb(85, 145, 33) |
| HSL | hsl(92, 63%, 35%) |
| OKLCH | oklch(59.4% 0.154 134.1) |
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 #559121 | 3.84:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #559121 | 5.45:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #559121 text on white | 3.84:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #559121 text on black | 5.45:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CEE0C4
oklch(88.6% 0.042 134.2)
-
Step 300
300
#ADCC9A
oklch(80.9% 0.076 133.8)
-
Step 400
400
#81B161
oklch(70.7% 0.121 133.9)
-
Step 500
500 (this color)
#559121
oklch(59.4% 0.154 134.1)
-
Step 600
600
#488600
oklch(55.6% 0.16 134.1)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#294C0A
oklch(37.6% 0.1 134.2)
-
Step 950
950
#192D09
oklch(27.1% 0.064 133.8)
#559121 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) | #978507 | 0.090 |
| Deuteranopia (no green cones) | #8F802D | 0.092 |
| Tritanopia (no blue cones) | #548B7C | 0.114 |
| Achromatopsia (no color) | #828282 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559121
#559121
oklch(59.4% 0.154 134.1)
- #9F5EBD
#9F5EBD
oklch(59.3% 0.154 314.2)
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 #559121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.017
- Mossy Green #638B27 ΔE 0.024
- Olive Drab #6B8E23 ΔE 0.026
- Dark Yellow Green #728F02 ΔE 0.033
- Moss Green #658B38 ΔE 0.036
- Fern Green #548D44 ΔE 0.036
- Grass Green #3F9B0B ΔE 0.037
- Grassy Green #419C03 ΔE 0.040
Use #559121 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.