#648C15
Closest named color: Sap Green (#5C8B15). oklch(58.9% 0.146 127.7), rgb(100, 140, 21).
Aa
Black text reads best on this color (5.30:1).
About this color
#648C15 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.146 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.010 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #648C15 |
| RGB | rgb(100, 140, 21) |
| HSL | hsl(80, 74%, 32%) |
| OKLCH | oklch(58.9% 0.146 127.7) |
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 #648C15 | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #648C15 | 5.30:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #648C15 text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #648C15 text on black | 5.30:1 | AA | Lc -34.9 | 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 600.
-
Step 50
50
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6ECDF
oklch(93.5% 0.018 127.1)
-
Step 200
200
#D2DEC5
oklch(88.5% 0.036 128.1)
-
Step 300
300
#B5C99C
oklch(80.9% 0.065 127.3)
-
Step 400
400
#8EAD64
oklch(70.7% 0.105 127.6)
-
Step 500
500
#729835
oklch(63.1% 0.134 127.7)
-
Step 600
600 (this color)
#648C15
oklch(58.9% 0.146 127.7)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3D5900
oklch(42.6% 0.111 127.7)
-
Step 900
900
#344A0E
oklch(37.8% 0.088 127.9)
-
Step 950
950
#1F2B0B
oklch(26.9% 0.054 127.1)
#648C15 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) | #938200 | 0.069 |
| Deuteranopia (no green cones) | #8E7F23 | 0.071 |
| Tritanopia (no blue cones) | #688577 | 0.116 |
| Achromatopsia (no color) | #808080 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648C15
#648C15
oklch(58.9% 0.146 127.7)
- #9562BF
#9562BF
oklch(59% 0.146 307.8)
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 #648C15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.010
- Mossy Green #638B27 ΔE 0.011
- Olive Drab #6B8E23 ΔE 0.014
- Dark Yellow Green #728F02 ΔE 0.021
- Swamp Green #748500 ΔE 0.026
- Moss Green #658B38 ΔE 0.026
- Fern Green #548D44 ΔE 0.036
- Khaki Green #728639 ΔE 0.042
Use #648C15 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.