#BBC259
Closest named color: Light Olive (#ACBF69). oklch(78.7% 0.129 112.5), rgb(187, 194, 89).
Aa
Black text reads best on this color (10.97:1).
About this color
#BBC259 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.129 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.027 away. Black text reads best on it, at 10.97:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #BBC259 |
| RGB | rgb(187, 194, 89) |
| HSL | hsl(64, 46%, 55%) |
| OKLCH | oklch(78.7% 0.129 112.5) |
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 #BBC259 | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #BBC259 | 10.97:1 | AAA | Lc 67.4 | Content text, not long reading |
| #BBC259 text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #BBC259 text on black | 10.97:1 | AAA | Lc -66.0 | Content text, not long reading |
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 300.
-
Step 50
50
#F5F7EA
oklch(97.1% 0.017 113.8)
-
Step 100
100
#EAEDD1
oklch(93.6% 0.037 112.1)
-
Step 200
200
#D9DFA8
oklch(88.6% 0.072 112.9)
-
Step 300
300 (this color)
#BBC259
oklch(78.7% 0.129 112.5)
-
Step 400
400
#A3A900
oklch(70.6% 0.157 112.3)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434600
oklch(37.9% 0.084 112.5)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#BBC259 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) | #CFBA4F | 0.032 |
| Deuteranopia (no green cones) | #CFBD5F | 0.033 |
| Tritanopia (no blue cones) | #C6B8AB | 0.114 |
| Achromatopsia (no color) | #BBBBBB | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC259
#BBC259
oklch(78.7% 0.129 112.5)
- #BCABFF
#BCABFF
oklch(78.7% 0.119 292.8)
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 #BBC259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.027
- Light Olive Green #A4BE5C ΔE 0.034
- Light Moss Green #A6C875 ΔE 0.034
- Greenish Tan #BCCB7A ΔE 0.035
- Tan Green #A9BE70 ΔE 0.036
- Dark Khaki #BDB76B ΔE 0.040
- Pale Olive #B9CC81 ΔE 0.042
- Olive Yellow #C2B709 ΔE 0.043
Use #BBC259 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.