#528F1A
Closest named color: Sap Green (#5C8B15). oklch(58.6% 0.157 134), rgb(82, 143, 26).
Aa
Black text reads best on this color (5.30:1).
About this color
#528F1A is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.157 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 0.014 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.30:1 |
| White text | 3.96:1 |
Values
| HEX | #528F1A |
| RGB | rgb(82, 143, 26) |
| HSL | hsl(91, 69%, 33%) |
| OKLCH | oklch(58.6% 0.157 134) |
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 #528F1A | 3.96:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #528F1A | 5.30:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #528F1A text on white | 3.96:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #528F1A text on black | 5.30:1 | AA | Lc -35.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CFDFC5
oklch(88.5% 0.039 133.2)
-
Step 300
300
#AECB9D
oklch(80.9% 0.07 134.1)
-
Step 400
400
#83B066
oklch(70.7% 0.113 134)
-
Step 500
500
#639C38
oklch(63.2% 0.145 134.1)
-
Step 600
600 (this color)
#528F1A
oklch(58.6% 0.157 134)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#315C03
oklch(42.7% 0.12 133.9)
-
Step 900
900
#2B4C10
oklch(37.7% 0.095 134.1)
-
Step 950
950
#1A2D0C
oklch(27.2% 0.06 134)
#528F1A 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) | #958300 | 0.091 |
| Deuteranopia (no green cones) | #8D7E28 | 0.093 |
| Tritanopia (no blue cones) | #51897A | 0.116 |
| Achromatopsia (no color) | #808080 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528F1A
#528F1A
oklch(58.6% 0.157 134)
- #9D5BBC
#9D5BBC
oklch(58.6% 0.157 313.9)
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 #528F1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.014
- Mossy Green #638B27 ΔE 0.025
- Olive Drab #6B8E23 ΔE 0.031
- Dark Yellow Green #728F02 ΔE 0.037
- Fern Green #548D44 ΔE 0.038
- Moss Green #658B38 ΔE 0.038
- Grass Green #3F9B0B ΔE 0.039
- Forest Green #228B22 ΔE 0.040
Use #528F1A 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.