#618C00
Closest named color: Sap Green (#5C8B15). oklch(58.6% 0.153 128.1), rgb(97, 140, 0).
Aa
Black text reads best on this color (5.25:1).
About this color
#618C00 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.153 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 0.009 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #618C00 |
| RGB | rgb(97, 140, 0) |
| HSL | hsl(78, 100%, 27%) |
| OKLCH | oklch(58.6% 0.153 128.1) |
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 #618C00 | 3.99:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #618C00 | 5.25:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #618C00 text on white | 3.99:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #618C00 text on black | 5.25:1 | AA | Lc -34.7 | 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
#E6EDDF
oklch(93.7% 0.02 128.7)
-
Step 200
200
#D2DEC4
oklch(88.4% 0.037 127.4)
-
Step 300
300
#B4CA9A
oklch(81% 0.069 127.9)
-
Step 400
400
#8CAE61
oklch(70.7% 0.111 128.4)
-
Step 500
500
#70992F
oklch(63.1% 0.141 128.2)
-
Step 600
600 (this color)
#618C00
oklch(58.6% 0.153 128.1)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900
#334A09
oklch(37.6% 0.092 128)
-
Step 950
950
#1E2C09
oklch(27.1% 0.059 128.4)
#618C00 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) | #948100 | 0.077 |
| Deuteranopia (no green cones) | #8E7E19 | 0.076 |
| Tritanopia (no blue cones) | #658576 | 0.122 |
| Achromatopsia (no color) | #7F7F7F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618C00
#618C00
oklch(58.6% 0.153 128.1)
- #965FC1
#965FC1
oklch(58.7% 0.153 308.3)
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 #618C00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.009
- Mossy Green #638B27 ΔE 0.019
- Olive Drab #6B8E23 ΔE 0.021
- Dark Yellow Green #728F02 ΔE 0.024
- Swamp Green #748500 ΔE 0.030
- Moss Green #658B38 ΔE 0.034
- Fern Green #548D44 ΔE 0.042
- Grass Green #3F9B0B ΔE 0.050
Use #618C00 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.